Notes from AllergicToRye on discord
2 Spool Fragments

Moss mother

Beastfly pogo
In the room before Silk Spear hit the lever after the overgrown pilgrim on the way up
Eric pogo
Silk Spear

Drop back down and to the left
Continue down into the exit the lever opened up
Follow the path at the top of Bone Bottom to the first spool fragment [You can opt to damage tank the trap before the breakable wall to avoid waiting]
Stand on the button and continue past Shakra's room to Bell Beast

Bell Beast 
SQ after silk heart

Open bell bench by hitting lever and reentering the room, continue to Deep Docks

In Shakra's room, drop down to lace boss fight room
Hit the lever and drop down, take left elevator and exit left
Drop down and take first right exit
Jump on the platforms to the lever, hit it, follow new platforms to second spool fragment
GGs